Jerrychang Posted September 17, 2021 Share Posted September 17, 2021 Got a cheap Otodus obliquus teeth with matrix. It’s quite big (7.5cm). Link to comment Share on other sites More sharing options...
Gareth_ Posted September 17, 2021 Share Posted September 17, 2021 Now that is O. obliquus (absolutely no doubt this time haha).... and a fantastic example indeed, very nice clean cutting edges and tip. Do you plan to remove it from the matrix or just leave it alone? A much smaller one than yours was my first fossil and got me hooked on shark tooth fossils! The largest two O. obliquus teeth I have are 71mm & 87mm Link to comment Share on other sites More sharing options...
Jerrychang Posted September 17, 2021 Author Share Posted September 17, 2021 I removed it from the matrix but I accidentally broke the root, now it has a crack on it, but the enamel was well preserved. Link to comment Share on other sites More sharing options...
Jerrychang Posted September 17, 2021 Author Share Posted September 17, 2021 (edited) 4 hours ago, Gareth_ said: Now that is O. obliquus (absolutely no doubt this time haha).... and a fantastic example indeed, very nice clean cutting edges and tip. Do you plan to remove it from the matrix or just leave it alone? A much smaller one than yours was my first fossil and got me hooked on shark tooth fossils! The largest two O. obliquus teeth I have are 71mm & 87mm Yes, it’s much more easier when the teeth is big enough. I don’t have the tools to do that. So I used a small knife. But I missed and broke the root. Edited September 17, 2021 by Jerrychang Wrong word Link to comment Share on other sites More sharing options...
Gareth_ Posted September 17, 2021 Share Posted September 17, 2021 19 minutes ago, Jerrychang said: Yes, it’s much more easier when the teeth is big enough. I don’t have the tools to do that. So I used a small knife. But I missed and broke the root. Did you break a piece off? I can't see a broken piece in the pics. One cusplet looks a little odd though That crown is a beautiful shape, a perfect triangle! The enamel looks really nice too. Very nice acquisition! Link to comment Share on other sites More sharing options...
Jerrychang Posted September 17, 2021 Author Share Posted September 17, 2021 11 minutes ago, Gareth_ said: Did you break a piece off? I can't see a broken piece in the pics. One cusplet looks a little odd though That crown is a beautiful shape, a perfect triangle! The enamel looks really nice too. Very nice acquisition! The shorter side of the root, but I glued it back. That cusplet was already half when it was in the matrix. Thanks! Link to comment Share on other sites More sharing options...
Gareth_ Posted September 18, 2021 Share Posted September 18, 2021 17 hours ago, Jerrychang said: The shorter side of the root, but I glued it back. That cusplet was already half when it was in the matrix. Thanks! Ohh I think I can see the crack. No big deal really, it's still all there and still a very large O. obliquus tooth! 1 Link to comment Share on other sites More sharing options...
Jerrychang Posted November 20, 2021 Author Share Posted November 20, 2021 (edited) Just bought another large Otodus obliquus. It’s 7.7cm(a little bit over 3 inch). It’s extremely cheap because there is a big crack on it . I guess it was broke and glued , but it is cheaper than a hamburger so I still brought it home. Besides, it’s a little bit wavy if you look at it from the side. Edited November 20, 2021 by Jerrychang 1 Link to comment Share on other sites More sharing options...
Gareth_ Posted November 20, 2021 Share Posted November 20, 2021 Really nice anterior tooth! 1 Link to comment Share on other sites More sharing options...
R0b Posted November 20, 2021 Share Posted November 20, 2021 2 hours ago, Jerrychang said: Just bought another large Otodus obliquus. It’s 7.7cm(a little bit over 3 inch). It’s extremely cheap because there is a big crack on it . I guess it was broke and glued , but it is cheaper than a hamburger so I still brought it home. Besides, it’s a little bit wavy if you look at it from the side. That glue job seems poorly executed. If it was mine I would see if I could take it apart (acetone) and glue it back together better to reduce the crack. Link to comment Share on other sites More sharing options...
Jerrychang Posted November 20, 2021 Author Share Posted November 20, 2021 31 minutes ago, Gareth_ said: Really nice anterior tooth! Is this the upper row or the lower row? Link to comment Share on other sites More sharing options...
Jerrychang Posted November 20, 2021 Author Share Posted November 20, 2021 5 minutes ago, R0b said: That glue job seems poorly executed. If it was mine I would see if I could take it apart (acetone) and glue it back together better to reduce the crack. I think so too, I should try later. Link to comment Share on other sites More sharing options...
Gareth_ Posted November 20, 2021 Share Posted November 20, 2021 4 minutes ago, Jerrychang said: Is this the upper row or the lower row? Through all the sites I have dug through to gather info on tooth position, upper/lower on Otodus obliquus teeth this is so far the best I've seen. At the top right is a drop down menu, click O. obliquus. elasmo.com: Reconstructed Tooth-sets There appears to be a noticeable difference between upper and lower lateral teeth but the only difference I can spot between upper and lower anterior teeth is the cusplets might aim more vertically on the upper jaw and face generally vertically but aiming slightly out on the lower jaw (follow the line the outer cutting edge takes). Is this difference intentional during the reconstruction of this tooth set? Or was it a complete accident and I'm looking for detail that isn't really there? You can be the judge haha On your tooth, just from those pics it's a little hard to tell I think ultimately, an O. obliquus anterior tooth is very difficult to say if it's upper or lower. Link to comment Share on other sites More sharing options...
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